Definition: In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.
Input: ['141', '255', '301', 'o', 'c', '169', 'f', '285', 'h']

0, 1, 2, 3, 4, 5, 6, 8, 9